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发明名称
Vorrichtung zum Kommutieren oder periodischen Unterbrechen von elektrischen Stroemen
摘要
申请公布号
DE544812(C)
申请公布日期
1932.02.29
申请号
DE1931H125856D
申请日期
1931.03.06
申请人
DR. JULIUS HARTMANN
发明人
分类号
H02M1/30
主分类号
H02M1/30
代理机构
代理人
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